| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [modal v] | 175 |
|
| 2 | is [vb mod] | 175 |
|
| 3 | be may | 43 |
|
| 4 | [be] may | 43 |
|
| 5 | [is] may | 27 |
|
| 6 | is may | 12 |
|
